| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.6 | 45.7 | 55.8 | 66.2 | 74.8 | 83.2 | 91.1 | 89.9 | 81.2 | 68.4 | 51.6 | 38.9 | 65.4 |
| Highest Mean Max. Temperature (F) | 44.4 | 58.0 | 63.8 | 77.7 | 80.6 | 94.3 | 97.0 | 96.3 | 89.9 | 77.3 | 65.6 | 46.3 | 70.3 |
| Year Highest Occurred | 1966 | 1961 | 1963 | 1985 | 1966 | 1961 | 1985 | 1961 | 1966 | 1988 | 1963 | 1973 | 1966 |
| Lowest Mean Max. Temperature (F) | 25.8 | 28.3 | 45.4 | 54.9 | 68.1 | 77.3 | 63.6 | 78.8 | 72.2 | 60.5 | 38.0 | 23.2 | 61.0 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1990 | 1984 | 1983 | 1985 | 1986 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 28.5 | 34.6 | 42.5 | 50.5 | 58.0 | 65.8 | 72.0 | 71.0 | 62.3 | 50.9 | 38.8 | 29.5 | 50.4 |
| Highest Mean Temperature (F) | 35.5 | 43.1 | 48.2 | 62.8 | 67.5 | 72.7 | 77.2 | 77.5 | 71.8 | 58.2 | 47.8 | 36.2 | 53.9 |
| Year Highest Occurred | 1978 | 1961 | 1986 | 1985 | 1985 | 1961 | 1985 | 1961 | 1985 | 1963 | 1963 | 1977 | 1966 |
| Lowest Mean Temperature (F) | 12.7 | 16.8 | 36.9 | 43.1 | 54.0 | 61.4 | 51.0 | 63.5 | 56.2 | 44.7 | 26.3 | 13.1 | 47.6 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1975 | 1974 | 1980 | 1983 | 1985 | 1986 | 1969 | 1985 | 1985 | 1989 |
| Mean Min. Temperature (F) | 19.3 | 23.4 | 29.3 | 34.7 | 41.1 | 48.4 | 52.9 | 52.0 | 43.3 | 33.4 | 25.8 | 20.0 | 35.3 |
| Highest Mean Min. Temperature (F) | 27.7 | 31.8 | 36.5 | 47.8 | 55.7 | 52.9 | 57.3 | 58.7 | 65.4 | 40.6 | 30.4 | 28.2 | 37.5 |
| Year Highest Occurred | 1983 | 1968 | 1983 | 1985 | 1985 | 1977 | 1985 | 1961 | 1985 | 1963 | 1988 | 1977 | 1966 |
| Lowest Mean Min. Temperature (F) | -0.5 | 5.3 | 24.7 | 27.4 | 36.7 | 45.1 | 38.4 | 47.2 | 35.5 | 28.8 | 14.5 | 2.9 | 33.0 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1964 | 1966 | 1980 | 1983 | 1988 | 1971 | 1969 | 1985 | 1985 | 1989 |
| Mean Precipitation (in.) | 1.65 | 1.16 | 1.07 | 0.94 | 1.22 | 1.03 | 0.61 | 0.80 | 0.63 | 0.78 | 1.65 | 1.62 | 13.16 |
| Highest Precipitation (in.) | 5.29 | 3.80 | 2.13 | 4.76 | 3.52 | 2.48 | 3.70 | 3.20 | 2.64 | 2.05 | 6.15 | 4.31 | 28.89 |
| Year Highest Occurred | 1984 | 1982 | 1986 | 1978 | 1962 | 1964 | 1982 | 1984 | 1985 | 1982 | 1983 | 1981 | 1984 |
| Lowest Precipitation (in.) | 0.04 | 0.02 | 0.10 | 0.00 | 0.12 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 0.07 | 5.81 |
| Year Lowest Occurred | 1988 | 1988 | 1965 | 1987 | 1974 | 1973 | 1988 | 1988 | 1990 | 1988 | 1976 | 1986 | 1988 |
| Heating Degree Days (F) | 1132. | 851. | 698. | 446. | 232. | 82. | 54. | 31. | 165. | 437. | 786. | 1101. | 6015. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 11. | 15. | 106. | 271. | 217. | 84. | 0. | 0. | 0. | 704. |